#!/usr/bin/env python3

# Copyright (c) 2020-2021 Fpemud <fpemud@sina.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

import os
import PIL
import pytesseract
from .._util import Util, VirtualUser
from .._errors import BuildError


class VirtualUserWin10(VirtualUser):

    class BootFromCdrom:

        def do(self, parent, img):
            # OCR result should be:
            #
            # Press any key to boot from CD or DVD...
            #

            s = pytesseract.image_to_string(img, lang=parent._ocrLang)
            if "Press any key to boot from CD or" in s:
                parent._vm.input_keyboard("keys", "kp_enter")
                return True
            return False

    class WaitInstallFinish:

        def __init__(self):
            self._lastImg = None
            self._stableCount = None

        def do(self, parent, img):
            if self._lastImg is None:
                if not parent._scr.hasStartMenu(img):
                    # start menu is not there
                    return False
                self._lastImg = img
                self._stableCount = 0
                return False

            if self._lastImg != img:
                self._lastImg = None
                self._stableCount = None
                return False

            self._stableCount += 1
            if self._stableCount > 10:
                # the system has stablized for 10 seconds
                return True

            return False

    def __init__(self, ocr_lang, vm):
        super().__init__(vm, BuildError)
        self._ocrLang = ocr_lang
        self._scr = ScreenshotRecognizerWin7()
